4409943 has 16 divisors (see below), whose sum is σ = 6138720. Its totient is φ = 2812544.

The previous prime is 4409941. The next prime is 4409981. The reversal of 4409943 is 3499044.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4409943 - 2¹ = 4409941 is a prime.

4409943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4409941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14905 + ... + 15197.

It is an arithmetic number, because the mean of its divisors is an integer number (383670).

Almost surely, 2^4409943 is an apocalyptic number.

4409943 is a deficient number, since it is larger than the sum of its proper divisors (1728777).

4409943 is a wasteful number, since it uses less digits than its factorization.

4409943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 4409943 is about 2099.9864285276. The cubic root of 4409943 is about 163.9875932514.

The spelling of 4409943 in words is "four million, four hundred nine thousand, nine hundred forty-three".